Q: What is the sum of all factors of the number 8,400,009 excluding 8,400,009?
A: 2,800,007
The factors of the number 8,400,009 are: 1, 3, 2800003, 8400009.
If you add them up, you will get the total of 8,400,011. Now subtract 8,400,009 to get 2,800,007